RLSA-2026:19153

See a problem?
Please try reporting it to the source first.
Source
https://errata.rockylinux.org/RLSA-2026:19153
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:19153.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:19153
Upstream
  • CVE-2026-7320
  • CVE-2026-7321
  • CVE-2026-7322
  • CVE-2026-7323
Published
2026-05-29T16:03:24.060458Z
Modified
2026-05-29T16:30:36.246360047Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1 (CVE-2026-7323)

  • firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component (CVE-2026-7320)

  • firefox: thunderbird: Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (CVE-2026-7322)

  • firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-7321)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / thunderbird

Package

Name
thunderbird
Purl
pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-10&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:140.10.1-1.el10_2
Database specific 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:19153.json"